<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>99乘法表</title>
    <script>

        document.write("<table border='1' align='center'>");

        //1:完成基本的for循环嵌套,展示乘法表
        for (var i=1; i<=9;i++) {
            document.write("<tr>");
            for (var j = 1; j <= i; j++) {
                document.write("<td>");
                //输出乘法表
                document.write(j + "*" + i + "=" + (i * j) + "&nbsp;&nbsp;&nbsp;&nbsp;");

                document.write("</td>");
            }
            document.write("</tr>");
        }
        //完成表格嵌套
        document.write("</table>");

    </script>
</head>
<body>

</body>
</html>